Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,2,2-Tetrachloroethane

Quint-mar Water Authority

1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015N/A00N/A
2016ND60ND
2017ND20ND
2018N/A00N/A
2019ND90ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-12AA88470ND
2014-02-13AA88469ND
2016-06-14AB12486ND
2016-06-14AB12487ND
2016-06-14AB12491ND
2016-06-14AB12490ND
2016-06-14AB12489ND
2016-06-14AB12488ND
2017-01-26AB17480ND
2017-01-26AB17481ND
2019-02-05AB32818ND
2019-02-05AB32817ND
2019-02-05AB32816ND
2019-02-05AB32815ND
2019-02-05AB32814ND
2019-02-05AB32813ND
2019-02-05AB32812ND
2019-04-17AB34290ND
2019-04-17AB34289ND